Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

43results about How to "Shorten the drying cycle" patented technology

Method and apparatus for controlling secondary pollutants in biodrying of mixed domestic waste

The invention relates to a method and apparatus for controlling secondary pollutants in biodrying of mixed domestic waste. The method comprises the following steps: (1) simple pretreatment; (2) stacking; (3) biodrying of waste; (4) back spraying of leachate; (5) drying, reflux and concentrated treatment of tail gas. The apparatus comprises a sealed reactor, a leachate collector, a ventilating system and a tail gas treating device, wherein, the leachate collector is respectively connected with a leachate collecting pipe and a spray pipe in the reactor through pipelines, the tail gas treating device comprises a tail gas recovering pipe, a drying box, a tail gas treating fan and a purifying means, the tail gas recovering pipe is connected with the drying box, the drying box is respectively connected with a ventilating fan and the tail gas treating fan, and the tail gas treating fan is connected with the purifying means through a pipeline. According to the invention, the leachate does not need to be treated individually; tail gas is collected in a totally enclosed environment, and the amount of tail gas to be treated is small; a low heating value of obtained dried waste is increased by 100%; the invention is widely applicable to mixed waste with high water content and enables resource values of burning and sorting of domestic waste to be improved.
Owner:CHINA URBAN CONSTR DESIGN & RES INST CO LTD

Novel photothermal salt sun-drying accelerating method and device

PendingCN108408742AReduce salt concentrationPrevent surface salt precipitation problemsEnergy inputAlkali metal chloridesExposure sunlightEngineering
The invention discloses a novel photothermal salt sun-drying accelerating method. The novel photothermal salt sun-drying accelerating method comprises the following steps of enabling a pumping deviceto inject the seawater into a salt tank; enabling one end of a hydrophilic material to extend into the seawater of the salt tank, and be in full contact with the seawater; enabling the other end of the hydrophilic material to be in full contact with an optical absorbing material, and exposing the optical absorbing material under the sun; injecting a heat insulation material between the optical absorbing material and the seawater; adjusting the contact area between the hydrophilic material and the seawater, and the hydrophility or width or thickness of a hydrophilic device, so as to control thewater absorbing rate of the hydrophilic material; drying the salt crystal at the bottom part of the salt tank under the sun. The invention also discloses a novel photothermal salt sun-drying accelerating device. The novel photothermal salt sun-drying accelerating method has the advantages that the salt-making seawater can be quickly evaporated, the salt sun-drying cycle is greatly shortened, andthe production efficiency of the salt sun-drying process is obviously improved.
Owner:江苏金羿射日新材料科技有限公司

Photo-thermal plate for accelerating salt manufacture by means of brine evaporation and method for applying photo-thermal plate

The invention discloses a photo-thermal plate for accelerating salt manufacture by means of brine evaporation and a method for applying the photo-thermal plate. The photo-thermal plate comprises a first hydrosol layer, a heat-insulation layer, a buoyancy material and a salt pond. A first hydrophobic layer is arranged on the upper side of the first hydrosol layer, and a black light absorption material is arranged on the lower side of the first hydrosol layer; a second hydrophobic layer is arranged on the upper side of the heat-insulation layer and is adhered with the black light absorption material via a second hydrosol layer, and a water absorption sheet is arranged on the lower side of the heat-insulation layer; a plurality of groups of through holes are uniformly formed in the surfaces of the buoyancy material, and a photo-thermal plate body floats on the salt pond. The photo-thermal plate for accelerating salt manufacture by means of brine evaporation and the method have the advantages that the second hydrophobic layer can prevent brine from being permeated into materials, salt which is dissolved out by means of brine evaporation is difficult to adhered to the surfaces of the materials, and accordingly salt-resistant effects of the materials can be realized; absorbers can be separated from water bodies by the aid of the hydrophobic properties of the materials, only the surface brine is heated, the brine can be quickly evaporated, the salt manufacture periods can be shortened to a great extent, and accordingly the salt manufacture quantities can be increased.
Owner:江苏金羿射日新材料科技有限公司

Multifunctional filter plate, filter press and making method of multifunctional filter plate

The invention provides a multifunctional filter plate, a filter press provided with the multifunctional filter plate and a making method of the multifunctional filter plate. The multifunctional filter plate comprises a core plate of a flat plate structure, filter plate frames fixedly arranged at the outer edges of the left side and the right side of the core plate, electrode heating plates fixedly arranged between the core plate and the filter plate frames and a feeding hole penetrating through the electrode heating plates and the core plate in the left-right direction; a material filling cavity communicated with the feeding hole is formed between the inner circumferential surface of each filter plate frame and the outer side face of the corresponding electrode heating plate, each electrode heating plate is provided with a plurality of protruding parts which protrude outwards and are arranged in the corresponding material filling cavity, an inner water flow groove is formed in the inner side of each protruding part, the left outer side face and the right outer side face of the core plate are provided with a plurality of outer water flow grooves, the inner water flow grooves and the outer water flow grooves are communicated to form a heating cavity, and the electrode heating plates are connected with a power source through wires. Filter cakes in the material filling cavities can be subjected to heating dehydration and electrodialytic deep dehydration through the electrode heating plates, so that the moisture content of the filter cakes is further lowered.
Owner:ZHEJIANG FUJIE ENVIRONMENTAL PROTECTION EQUIP CO LTD +1

Electric heating air blowing drying box with good dehumidifying effect

The invention relates to the technical field of drying boxes, and discloses an electric heating air blowing drying box with a good dehumidifying effect. The electric heating air blowing drying box comprises a drying box body, a through hole is formed inside the drying box body, and a dust screen is fixedly installed inside the through hole. According to the electric heating air blowing drying boxwith the good dehumidifying effect, a driving motor is arranged at the top of the drying box body, and a cam is driven by the rotation of the driving motor to push a transverse plate to move, so thata connecting rod is driven to move up and down; and when the connecting rod moves upwards, an auxiliary spring can be stretched, when the cam does not push the transverse plate, the elasticity of theauxiliary spring is restored so that the connecting rod can move downwards, a rotating plate can rotate on a rotating shaft, the angle of air generated from a fan can be changed, the interior of the drying box body can be uniformly blown by hot air, the moisture removal efficiency of the drying box body is improved, the drying degree of objects on an object carrying plate can be guaranteed, and the drying period of the objects can be shortened.
Owner:湖北祺美中检联检测有限公司

Waste gas recycling system for organic waste biological drying process

The invention discloses a waste gas recycling system for an organic waste biological drying process, which comprises a heat exchange tower body, the upper part of the heat exchange tower body is provided with a waste gas inlet, the lower part of the heat exchange tower body is provided with a waste gas outlet, and the waste gas outlet is provided with a deodorizer; a fresh air outlet is formed inthe upper portion of the heat exchange tower body, a fresh air inlet is formed in the lower portion of the heat exchange tower body, multiple heat exchange pipes are arranged in the heat exchange tower body, the bottom end is connected with the fresh air inlet, and the top end is connected with the fresh air outlet, the waste gas inlet is communicated with a gas outlet of the drying reactor, the fresh air outlet is communicated with a gas inlet, waste gas in the drying reactor flows from the tower top to the tower bottom for deodorization and then is discharged, fresh air flows from the towerbottom to the tower top through the heat exchange pipe for heat exchange, and gas in the drying reactor can be updated at any time and heat can be recycled. According to the system, automatic heat energy recycling is achieved, meanwhile, air pollution generated in the waste gas emission process is effectively avoided, and possibility is provided for energy-saving and resourceful treatment of high-temperature waste gas.
Owner:ZHONGNONGXINKE SUZHOU ORGANIC RECYCLING RES INST CO LTD

Production technology of cassava-potato residue-made fuel rod

The invention relates to a production technology of a cassava-potato residue-made fuel rod. The production technology of the cassava-potato residue-made fuel rod mainly solves the problems that the existing fuel rod production technology has a high cost and cassava-potato residues obtained by starch production adopting raw materials of cassava and potato are discharged and then can cause environmental pollution. The production technology of the cassava-potato residue-made fuel rod comprises the following steps of 1, adding polyacrylamide into cassava-potato residues, and carrying out extrusion dehydration to obtain cassava-potato residue filter cakes, 2, carrying out airing drying of the cassava-potato residue filter cakes to obtain cassava-potato residues A having water content of 50 to 60%, mixing the cassava-potato residues A and the cassava-potato residue filter cakes, and carrying out airing drying to obtain the cassava-potato residues A having water content of 50 to 60%, 3, drying the cassava-potato residues A obtained by the step 2, and mixing the dried cassava-potato residues A and the aired cassava-potato residues A obtained by the step 2 to obtain mixed cassava-potato residues, and 4, crushing the mixed cassava-potato residues, and carrying out extrusion molding to obtain the cassava-potato residue-made fuel rod. The production technology provided by the invention realizes waste utilization, reduces environmental pollution caused by cassava-potato residue discharge, reduces a production cost, and is suitable for fuel rod production.
Owner:李伟光 +2

Film drying system and method for exhausting flue gas waste heat through garbage incineration to dry garbage

The invention discloses a film drying system and method for exhausting flue gas waste heat through garbage incineration to dry garbage. The film drying system comprises a heat exchanger and a stacking bin. The heat exchanger is provided with a flue gas exhaust inlet and a flue gas exhaust outlet communicating with the flue gas exhaust inlet. The flue gas exhaust inlet is provided with a flue gas exhaust pipe communicating with a flue gas exhaust chimney. The heat exchanger is provided with an air inlet and an air outlet communicating with the air inlet. Multiple parallel ventilating pipelines are arranged at the bottom of the stacking bin and communicate with the air outlet, and the top of the stacking bin is covered with a biological drying film in sealing fit. Nozzles for spraying air into the stacking bin are arranged on the ventilating pipelines, and the stacking bin is provided with a leachate recovery device capable of enabling the outlet ends of the ventilating pipelines to communicate with the stacking bin. The film drying system and method exhaust the flue gas waste heat through garbage incineration to dry the garbage, so that it is avoided that stinks are exhausted in the drying process, and the drying period of the garbage is shortened.
Owner:HANGZHOU JINHUAN INVESTMENT CO LTD

Method and device for low-temperature drying of residual activated sludge from sewage treatment

The invention discloses a method and device for low-temperature drying of residual activated sludge from sewage treatment. The device comprises sludge freezing equipment, a sludge maintenance chamber, a sludge unfreezing and primary dehydrating device, sludge dehydrating equipment and a sludge airing device; and the residual activated sludge, which is obtained after primary dehydrating treatment is conducted, of a sewage treatment plant is treated by the sludge freezing equipment, the sludge maintenance chamber, the sludge unfreezing and primary dehydrating device, the sludge dehydrating equipment and the sludge airing device sequentially to obtain sludge subjected to low-temperature drying. According to the method and device for low-temperature drying of the residual activated sludge from sewage treatment, through cooperation of the sludge unfreezing and primary dehydrating device, the sludge dehydrating equipment and the sludge airing device, the sludge is continuously dehydrated and aired, a sludge drying cycle is shortened, and a drying effect is obvious. All drying processes are conducted under conditions of normal temperature and temperature lower than the normal temperature, and volatile gas which is generated due to secondary fermentation of microorganisms in the sludge is reduced, so that pollution is reduced. According to the method and device for low-temperature drying of the residual activated sludge from sewage treatment, the sludge is directly frozen, no other chemical agents need to be added, the drying cost is reduced, and meanwhile, the biology characteristics of the sludge remain unchanged, so that a foundation is laid for resource utilization of the sludge.
Owner:杨红兵

Method for evaporating brine to obtain salt by utilizing porous ceramic plate

ActiveCN110372010ASuperior solar radiation absorption rateEasy to absorb heatEnergy inputAlkali metal chloridesEvaporationAbsorption rate
The invention relates to a method for evaporating brine to obtain a salt by utilizing a porous ceramic plate. The method specially comprises the following steps: water in pores of the porous ceramic plate after absorbing seawater is evaporated by utilizing action of sunlight and wind power for precipitating the salt; and a certain amount of seawater is added to repeatedly wash the porous ceramic plate until the salt content of the seawater after washing reaches 15-26%, and concentration is performed to prepare the salt. The porous endothermic ceramic plate provided by the invention has a superior solar radiation absorption rate, can absorb solar radiation energy well, has good thermal conductivity and a two-dimensional or three-dimensional communication structure, can reduce air flow resistance, facilitates uniform distribution and stabilization of an air flow, has a high specific surface area, and ensures a large heat exchange area of a material; and the porous endothermic ceramic plate is utilized as an evaporation medium, so that the method solves the problem that a traditional method for evaporating brine to obtain a salt has a large evaporation tank volume and slow seawater evaporation, and shortens the cycle of evaporating the brine to obtain the salt.
Owner:QINGDAO UNIV

Chrysanthemum drying method with shape keeping and brown stain preventing functions

A chrysanthemum drying method with shape keeping and brown stain preventing functions comprises the following steps that (1) picked chrysanthemums are classified and selected and then are manually placed in a disc; (2) heat pump drying is carried out, a heat pump is used for drying the chrysanthemums for 9-13 hours in a phased mode, and the water content of the chrysanthemums is made to be 9.5% to 11.5%; (3) steam inactivation is carried out, the chrysanthemums dried in the step (2) are placed in a sealed glass container, and then the sealed glass container is placed in a steam pressure cooker and is processed for 3-10 minutes under the steam temperature of 70-95 DEG C; (4) the chrysanthemums processed in the step (3) are classified and selected again according to quality, and nitrogen-filled packing is carried out on the chrysanthemums one by one. According to the chrysanthemum drying method with the shape keeping and brown stain preventing functions, operation is simple, monitoring is convenient, continuous work is achieved without manual watching, and industrial production efficiency is high; the phenomena of petal scattering and falling in the drying process of chrysanthemums are effectively avoided; brown stain of chrysanthemums and dissolution of the effective constituent, namely total flavonoid compounds, in the brewing process are prevented, and storage time is prolonged.
Owner:YICHUN UNIVERSITY

Tobacco hanging frame for baking flue-cured tobacco and using method thereof

InactiveCN105286064AThe smoking process is fastShorten the drying cycleTobacco preparationFlueTobacco processor
The invention discloses a tobacco hanging frame for baking flue-cured tobacco and a using method thereof. The tobacco hanging frame comprises two or more layers of rectangular tobacco hanging frame bodies (1), vertical supports (2) are arranged between the two layers of rectangular tobacco hanging frame bodies (1) which are arranged with one higher than the other and between the rectangular tobacco hanging frame bodies (1) and the ground, tobacco leaves with downward petioles are clamped in the rectangular tobacco hanging frame bodies (1), and insertion rods are inserted in the tobacco leaves located above the clamping faces of the rectangular tobacco hanging frame bodies (1). The tobacco hanging frame integrates the advantages of braided-tobacco baking and loose leave baking. The new tobacco containing device and an operating mode thereof are put forward, the device can finish baking tobacco leaves with the number equal to or even larger than that of loosely-baked tobacco leaves within braided tobacco baking time, the degree that labor used during braided tobacco baking is basically the same as labor used during loose leaf baking and the tobacco leaf baking quality is close to the braided tobacco baking quality can be achieved, the defects of braided tobacco baking and loose leaf baking can be well overcome if the device can be popularized in a wide range, and according to the statistics of an applicant, the per-mu income of tobacco growers can be increased by 260 RBM yuan, and cost of 300 RBM yuan can be saved.
Owner:BIJIE COMPANY OF GUIZHOU TOBACCO

Method for reducing ratio of magnesium to lithium in salt lake through solar-assisted salt crystallization

The invention relates to a method for reducing the ratio of magnesium to lithium in a salt lake through solar-assisted salt crystallization. The method comprises the following steps: (1) adding a Mg<2+> salt at a molar ratio of the added Mg<2+> salt to Mg<2+> in saturated brine at (1:5)-(1:10) to the saturated brine which has a molar ratio of magnesium to lithium at (200:1)-(10:1), and drying thesaturated brine in the sun for 1-7 days so as to obtain a clear liquid and a granular precipitated crystal MgCl2.6H2O; (2) heating the precipitated crystal MgCl2.6H2O so as to obtain MgCl2.4H2O, MgCl2.2H2O or MgCl2; (3) adding a Mg<2+> salt to the clear liquid at a molar ratio of the added Mg<2+> salt to Mg<2+> in the clear liquid in the step (1) at (1:5)-(1:10), wherein the added Mg<2+> salt comprises MgCl2.4H2O, MgCl2.2H2O or MgCl2 obtained in the step (2); and drying the clear liquid in the sun for 1-7 days so as to obtain a clear solution and a granular precipitated crystal MgCl2.6H2O again; and (4), repeating the steps of (2) and (3), and repeating the cycle 2-8 times. According to the method, the products are generated through cyclic induction of the products, the entire salt dryingcycle is shortened, the production process is simple, less equipment investment is required, and no contaminants is introduced in the production process.
Owner:WUHAN INSTITUTE OF TECHNOLOGY

Multifunctional shoe washing machine

The invention discloses a multifunctional shoe washing machine which comprises a machine body shell, and the machine body shell comprises a shell body; an inner cylinder is fixedly connected in the shell, a plurality of water outlet holes are formed in the bottom end of the inner cylinder, and an air-drying sterilization device, a scrubbing device and a lifting mechanism are arranged in the inner cylinder; an ascending stud is fixedly connected to the middle part of the bottom end of the shell, and the top end of the ascending stud penetrates through the bottom end of the inner cylinder and extends into the inner cylinder; the lifting mechanism comprises a power transmission column arranged on the outer side of the ascending stud in a sleeving mode and a connecting part, the bottom end of the power transmission column penetrates through the inner cylinder and is rotationally connected with the bottom end of the shell, and the power transmission column is rotationally connected with the inner cylinder; the connecting part slidably sleeves the power transmission column, the inner side of the connecting part is in threaded connection with the ascending stud, and a shoe rack mechanism and an outer brush mechanism are both mounted on the outer side of the connecting part; a power mechanism is arranged between the bottom end of the inner cylinder and the bottom end of the shell, is in transmission connection with the power transmission column and is fixedly connected to the inner wall of the bottom end of the shell. The shoe washing machine can brush the interior and exterior of a shoe, and the cleaning effect on the shoe is guaranteed.
Owner:BINZHOU UNIV

A kind of multifunctional filter plate and filter press, and the preparation method of multifunctional filter plate

The invention provides a multifunctional filter plate, a filter press provided with the multifunctional filter plate and a making method of the multifunctional filter plate. The multifunctional filter plate comprises a core plate of a flat plate structure, filter plate frames fixedly arranged at the outer edges of the left side and the right side of the core plate, electrode heating plates fixedly arranged between the core plate and the filter plate frames and a feeding hole penetrating through the electrode heating plates and the core plate in the left-right direction; a material filling cavity communicated with the feeding hole is formed between the inner circumferential surface of each filter plate frame and the outer side face of the corresponding electrode heating plate, each electrode heating plate is provided with a plurality of protruding parts which protrude outwards and are arranged in the corresponding material filling cavity, an inner water flow groove is formed in the inner side of each protruding part, the left outer side face and the right outer side face of the core plate are provided with a plurality of outer water flow grooves, the inner water flow grooves and the outer water flow grooves are communicated to form a heating cavity, and the electrode heating plates are connected with a power source through wires. Filter cakes in the material filling cavities can be subjected to heating dehydration and electrodialytic deep dehydration through the electrode heating plates, so that the moisture content of the filter cakes is further lowered.
Owner:ZHEJIANG FUJIE ENVIRONMENTAL PROTECTION EQUIP CO LTD +1

A method of external heating assisted sludge biological drying

The invention belongs to the technical field of sludge treatment, and in particular relates to a method for assisting biological drying of sludge by external heating. In this method, the sludge to be dried and auxiliary materials are stirred and mixed in proportion, and then high-temperature thermophilic fermentation microorganisms are added to form a mixture material, and the fermentation microorganisms in the sludge to be dried ferment the mixture material to form a primary fermentation pile; Aerobic aeration is carried out on the body, and at the same time, the temperature of the primary fermentation pile is assisted by intermittent heating through an external heat source; the heat generated by the aerobic fermentation of high-temperature thermophilic fermentation microorganisms makes the second fermentation pile body reheated for 12 to 18 hours; When the temperature of the fermentation pile drops below 50°C, the fermenting microorganisms ferment and continuously heat the three fermentation piles through an external heating source at the same time. When the temperature rises to 65-70°C, the external heating is stopped, and the moisture content is reduced by repeated repetitions. to below 35%. Therefore, the method greatly saves sludge drying time and treatment cost, has low energy consumption, shortens the drying cycle, and realizes rapid biological drying of sludge.
Owner:NORTHEASTERN UNIV LIAONING

Membrane drying system and method for drying waste by using waste heat from waste incineration exhaust flue gas

The invention discloses a film drying system and method for exhausting flue gas waste heat through garbage incineration to dry garbage. The film drying system comprises a heat exchanger and a stacking bin. The heat exchanger is provided with a flue gas exhaust inlet and a flue gas exhaust outlet communicating with the flue gas exhaust inlet. The flue gas exhaust inlet is provided with a flue gas exhaust pipe communicating with a flue gas exhaust chimney. The heat exchanger is provided with an air inlet and an air outlet communicating with the air inlet. Multiple parallel ventilating pipelines are arranged at the bottom of the stacking bin and communicate with the air outlet, and the top of the stacking bin is covered with a biological drying film in sealing fit. Nozzles for spraying air into the stacking bin are arranged on the ventilating pipelines, and the stacking bin is provided with a leachate recovery device capable of enabling the outlet ends of the ventilating pipelines to communicate with the stacking bin. The film drying system and method exhaust the flue gas waste heat through garbage incineration to dry the garbage, so that it is avoided that stinks are exhausted in the drying process, and the drying period of the garbage is shortened.
Owner:HANGZHOU JINHUAN INVESTMENT CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products